为什么 UITextview 的交互部分需要长按？

Question

我需要让部分文本交互，这是我目前所做的截图，很好，但问题是

1- 它需要长按

2- 并强制我选择文本

知道如何解决这个问题吗？

import UIKit

class ViewController: UIViewController, UITextViewDelegate
{
    @IBOutlet weak var textView: UITextView!

    override func viewDidLoad()
    {
        super.viewDidLoad()
        let attributedString = NSMutableAttributedString(string: "text with a link", attributes: nil)
        attributedString.setSubstringAsLink(substring: "link", linkURL: "CUSTOM://WHATEVER")
        let linkAttributes: [String : AnyObject] = [NSForegroundColorAttributeName : UIColor.redColor(), NSUnderlineColorAttributeName : UIColor.redColor(), NSUnderlineStyleAttributeName : NSUnderlineStyle.StyleSingle.rawValue]
        textView.linkTextAttributes = linkAttributes
        textView.attributedText = attributedString
        textView.selectable = true
        textView.editable = false
        textView.userInteractionEnabled = true
        textView.delegate = self
    }

    func textView(textView: UITextView, shouldInteractWithURL URL: NSURL, inRange characterRange: NSRange) -> Bool
    {
        if URL == "CUSTOM://WHATEVER"
        {
            print("????")
        }
        else
        {
            print("!!!!")
        }
        return true
    }
    override func didReceiveMemoryWarning()
    {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
}

extension NSMutableAttributedString
{
    public func setSubstringAsLink(substring substring: String, linkURL: String) -> Bool
    {
        let range = self.mutableString.rangeOfString(substring)
        if range.location != NSNotFound
        {
            self.addAttribute(NSLinkAttributeName, value: linkURL, range: range)
            return true
        }
        return false
    }
}

Answer 1

我不知道如何解决您的具体问题，但我想您最好继承 UILabel 而不是 UITextView。另外，尽量不要重新发明轮子，使用TTAttributedLabel 或类似的库来做你想做的事。

Answer 2

我解决了这个问题，如下所示，

    let attributedString = NSMutableAttributedString(string: "Press this link text")
    attributedString.addAttribute(NSLinkAttributeName, value: "http://www.google.com", range: NSRange(location: 6, length: 14))

    let linkAttributes = [
        NSForegroundColorAttributeName: UIColor.greyishBrownColor(),
        NSUnderlineColorAttributeName: UIColor.greyishBrownColor(),
        NSUnderlineStyleAttributeName: NSUnderlineStyle.StyleSingle.rawValue
    ]

    agreementsTextView.delegate = self
    agreementsTextView.attributedText = attributedString
    agreementsTextView.linkTextAttributes = linkAttributes


    // Delegate Method
    func textView(textView: UITextView, shouldInteractWithURL URL: NSURL, inRange characterRange: NSRange) -> Bool {
    if URL.absoluteString == "http://www.google.com" || URL.relativePath == "http://www.google.com" {
        print("Tapped")
    }

    return false
}

范围可能有误，这应该可以解决您的问题